JP7207933B2 - 建設機械 - Google Patents

建設機械 Download PDF

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Publication number
JP7207933B2
JP7207933B2 JP2018194562A JP2018194562A JP7207933B2 JP 7207933 B2 JP7207933 B2 JP 7207933B2 JP 2018194562 A JP2018194562 A JP 2018194562A JP 2018194562 A JP2018194562 A JP 2018194562A JP 7207933 B2 JP7207933 B2 JP 7207933B2
Authority
JP
Japan
Prior art keywords
centrifugal fan
shroud
hub
edge
construction machine
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
JP2018194562A
Other languages
English (en)
Japanese (ja)
Other versions
JP2020063683A (ja
Inventor
大和 佐藤
和也 草野
仁視 西口
邦彦 池田
健一 羽野
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Hitachi Construction Machinery Co Ltd
Original Assignee
Hitachi Construction Machinery Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Hitachi Construction Machinery Co Ltd filed Critical Hitachi Construction Machinery Co Ltd
Priority to JP2018194562A priority Critical patent/JP7207933B2/ja
Priority to US17/284,507 priority patent/US11680583B2/en
Priority to EP19874021.9A priority patent/EP3869044B1/fr
Priority to PCT/JP2019/040101 priority patent/WO2020080260A1/fr
Priority to CN201980065819.7A priority patent/CN112805474B/zh
Publication of JP2020063683A publication Critical patent/JP2020063683A/ja
Application granted granted Critical
Publication of JP7207933B2 publication Critical patent/JP7207933B2/ja
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D29/00—Details, component parts, or accessories
    • F04D29/40—Casings; Connections of working fluid
    • F04D29/42—Casings; Connections of working fluid for radial or helico-centrifugal pumps
    • F04D29/4206—Casings; Connections of working fluid for radial or helico-centrifugal pumps especially adapted for elastic fluid pumps
    • F04D29/4226—Fan casings
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D25/00—Pumping installations or systems
    • F04D25/02—Units comprising pumps and their driving means
    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02F—DREDGING; SOIL-SHIFTING
    • E02F9/00—Component parts of dredgers or soil-shifting machines, not restricted to one of the kinds covered by groups E02F3/00 - E02F7/00
    • E02F9/08—Superstructures; Supports for superstructures
    • E02F9/0858—Arrangement of component parts installed on superstructures not otherwise provided for, e.g. electric components, fenders, air-conditioning units
    • E02F9/0866—Engine compartment, e.g. heat exchangers, exhaust filters, cooling devices, silencers, mufflers, position of hydraulic pumps in the engine compartment
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D29/00—Details, component parts, or accessories
    • F04D29/26—Rotors specially for elastic fluids
    • F04D29/28—Rotors specially for elastic fluids for centrifugal or helico-centrifugal pumps for radial-flow or helico-centrifugal pumps
    • F04D29/281—Rotors specially for elastic fluids for centrifugal or helico-centrifugal pumps for radial-flow or helico-centrifugal pumps for fans or blowers
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D29/00—Details, component parts, or accessories
    • F04D29/26—Rotors specially for elastic fluids
    • F04D29/28—Rotors specially for elastic fluids for centrifugal or helico-centrifugal pumps for radial-flow or helico-centrifugal pumps
    • F04D29/30—Vanes
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D29/00—Details, component parts, or accessories
    • F04D29/40—Casings; Connections of working fluid
    • F04D29/42—Casings; Connections of working fluid for radial or helico-centrifugal pumps
    • F04D29/44—Fluid-guiding means, e.g. diffusers
    • F04D29/441—Fluid-guiding means, e.g. diffusers especially adapted for elastic fluid pumps
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
    • F05D—INDEXING SCHEME FOR ASPECTS RELATING TO NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, GAS-TURBINES OR JET-PROPULSION PLANTS
    • F05D2240/00—Components
    • F05D2240/20—Rotors
    • F05D2240/30—Characteristics of rotor blades, i.e. of any element transforming dynamic fluid energy to or from rotational energy and being attached to a rotor
    • F05D2240/303—Characteristics of rotor blades, i.e. of any element transforming dynamic fluid energy to or from rotational energy and being attached to a rotor related to the leading edge of a rotor blade
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
    • F05D—INDEXING SCHEME FOR ASPECTS RELATING TO NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, GAS-TURBINES OR JET-PROPULSION PLANTS
    • F05D2250/00—Geometry
    • F05D2250/70—Shape
    • F05D2250/71—Shape curved
    • F05D2250/711—Shape curved convex

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Mining & Mineral Resources (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)
  • Component Parts Of Construction Machinery (AREA)
JP2018194562A 2018-10-15 2018-10-15 建設機械 Active JP7207933B2 (ja)

Priority Applications (5)

Application Number Priority Date Filing Date Title
JP2018194562A JP7207933B2 (ja) 2018-10-15 2018-10-15 建設機械
US17/284,507 US11680583B2 (en) 2018-10-15 2019-10-10 Construction machine
EP19874021.9A EP3869044B1 (fr) 2018-10-15 2019-10-10 Engin de chantier
PCT/JP2019/040101 WO2020080260A1 (fr) 2018-10-15 2019-10-10 Engin de chantier
CN201980065819.7A CN112805474B (zh) 2018-10-15 2019-10-10 工程机械

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2018194562A JP7207933B2 (ja) 2018-10-15 2018-10-15 建設機械

Publications (2)

Publication Number Publication Date
JP2020063683A JP2020063683A (ja) 2020-04-23
JP7207933B2 true JP7207933B2 (ja) 2023-01-18

Family

ID=70284593

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2018194562A Active JP7207933B2 (ja) 2018-10-15 2018-10-15 建設機械

Country Status (5)

Country Link
US (1) US11680583B2 (fr)
EP (1) EP3869044B1 (fr)
JP (1) JP7207933B2 (fr)
CN (1) CN112805474B (fr)
WO (1) WO2020080260A1 (fr)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN116507808B (zh) * 2020-11-25 2025-04-22 三菱电机株式会社 涡轮风扇以及空调机
CN114198324B (zh) * 2021-12-10 2022-10-25 西安交通大学 一种多元耦合离心风机集流器、离心风机及其制备方法
JP7697401B2 (ja) * 2022-04-21 2025-06-24 株式会社デンソー 送風機
CN118912034B (zh) * 2024-09-19 2026-02-27 香港金诺动力有限公司 离心式风机用叶片、应用该叶片的双吸式离心叶轮及风机

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2006006668A1 (fr) 2004-07-14 2006-01-19 Daikin Industries, Ltd. Ventilateur centrifuge et climatiseur équipé d'un ventilateur centrifuge
WO2009139422A1 (fr) 2008-05-14 2009-11-19 ダイキン工業株式会社 Ventilateur centrifuge
US20130149157A1 (en) 2011-12-13 2013-06-13 Minebea Co., Ltd. Boundary layer controlled logarithmic spiral blade

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH08303241A (ja) * 1995-05-08 1996-11-19 Hitachi Constr Mach Co Ltd エンジン冷却装置及び建設機械
JPH09112268A (ja) * 1995-10-19 1997-04-28 Hitachi Constr Mach Co Ltd エンジン冷却装置及び建設機械
JP4919554B2 (ja) 2001-08-29 2012-04-18 日立建機株式会社 土木・建設機械のエンジン冷却装置
US8191323B2 (en) 2006-03-16 2012-06-05 Turner Bruce H Cable protection sleeve for building framing
JP5012836B2 (ja) 2007-11-26 2012-08-29 ダイキン工業株式会社 遠心ファン
JP5164932B2 (ja) * 2009-06-11 2013-03-21 三菱電機株式会社 ターボファンおよび空気調和機
JP5143173B2 (ja) * 2010-03-29 2013-02-13 三菱電機株式会社 ターボファン及びこれを装備した空気調和機の室内機
KR101761311B1 (ko) * 2010-09-02 2017-07-25 엘지전자 주식회사 공기조화기용 터보팬
JP5730649B2 (ja) * 2011-04-13 2015-06-10 株式会社日立製作所 羽根車及びそれを有するターボ機械
WO2014061094A1 (fr) * 2012-10-16 2014-04-24 三菱電機株式会社 Réacteur à double flux et appareil de conditionnement d'air
KR102403728B1 (ko) * 2015-10-07 2022-06-02 삼성전자주식회사 공기조화장치용 터보팬
ITUA20163576A1 (it) * 2016-05-18 2017-11-18 De Longhi Appliances Srl Ventilatore

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2006006668A1 (fr) 2004-07-14 2006-01-19 Daikin Industries, Ltd. Ventilateur centrifuge et climatiseur équipé d'un ventilateur centrifuge
WO2009139422A1 (fr) 2008-05-14 2009-11-19 ダイキン工業株式会社 Ventilateur centrifuge
US20130149157A1 (en) 2011-12-13 2013-06-13 Minebea Co., Ltd. Boundary layer controlled logarithmic spiral blade

Also Published As

Publication number Publication date
JP2020063683A (ja) 2020-04-23
US11680583B2 (en) 2023-06-20
CN112805474A (zh) 2021-05-14
EP3869044A4 (fr) 2022-07-13
EP3869044A1 (fr) 2021-08-25
CN112805474B (zh) 2024-03-05
US20210372431A1 (en) 2021-12-02
WO2020080260A1 (fr) 2020-04-23
EP3869044B1 (fr) 2024-08-07

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